Anthony James "Tony O" Esposito (April 23, 1943 – August 10, 2021) was a professional ice hockey goaltender, who played in the National Hockey League, most notably for the Chicago Black Hawks. He was considered one of the pioneers of the now popular butterfly style. He was inducted into the Hockey Hall of Fame in 1988. He was born in Sault Ste. Marie, Ontario.

Esposito died on August 10, 2021 at the age of 78, from pancreatic cancer.